<template>
  <div class="login-wrap">
    <div class="ms-login">
      <div class="ms-title">后台管理系统</div>
      <el-form :model="param" :rules="rules" ref="login" label-width="0px" class="ms-content">
        <el-form-item prop="username">
          <el-input v-model="param.username" placeholder="username">
            <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
                  type="password"
                  placeholder="password"
                  v-model="param.password"
                  @keyup.enter.native="submitForm()"
          >
            <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
          </el-input>
        </el-form-item>

        <el-form-item prop="rand">
          <el-input v-model="rand" placeholder="请输入验证码">
            <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
          </el-input>
        </el-form-item>
        <div @click="updateRandSrc">
          <img :src="randSrc"/>
        </div>
        <el-form-item prop="state">
          <el-radio-group v-for="(u,index) in userState" v-model="param.state">
            <el-radio v-model="param.state" :label="index">{{u}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <div class="login-btn">
          <el-button type="primary" @click="submitForm()">登录</el-button>
        </div>
<!--        <p class="login-tips">Tips : 用户名和密码随便填。</p>-->
      </el-form>
    </div>
  </div>
</template>

<script>

  import {list, login, User} from "../../network/login";

  import axios from 'axios'

  export default {
    data: function () {
      return {
        param: {
          username: '',
          password: '',
          state: 0
        },
        rules: {
          username: [{required: true, message: '请输入用户名', trigger: 'blur'}],
          password: [{required: true, message: '请输入密码', trigger: 'blur'}]
        },
        randSrc: 'http://localhost:2008/model/sysUser/random',
        rand: '',
        userState: [
          "管理员",
          "用户",
          "商家"
        ]
      };
    },
    methods: {
      submitForm() {
        this.$refs.login.validate(valid => {
            if (valid) {
              login(this.rand, this.param).then(res => {
                // console.log(res);
                if(res){
                  this.$message.success('登录成功');
                  localStorage.setItem('ms_username', this.param.username);
                  this.$router.push('/');
                }else{
                  this.$message.success('登录失败');
                  this.updateRandSrc();//更新验证码
                  return false;
                }
              })
            } else {
              this.$message.error('请输入账号和密码');
              console.log('error submit!!');
              return false;
            }
          }
        );
      },
      updateRandSrc() {
        return this.randSrc = this.randSrc + '?' + Math.random();
      }
    }
  };
</script>

<style scoped>
  .login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url(../../assets/img/login-bg.jpg);
    background-size: 100%;
  }

  .ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px solid #ddd;
  }

  .ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
  }

  .ms-content {
    padding: 30px 30px;
  }

  .login-btn {
    text-align: center;
  }

  .login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
  }

  .login-tips {
    font-size: 12px;
    line-height: 30px;
    color: #fff;
  }
</style>
